Symmetry breaking and symmetry of physical laws; Quantum mechanics and emergence; Emergence, laws and unexplained features of nature; Relational quantities.
Debate among all discussants. Individual statements and questions about Roberto Unger's theses; Time in cosmology and the notion of time in mathematics stand out as main topics;
Expected things that have not happened in physics, computer science, social science, biology and limits on what is expected; The existence of rules at very small physical scales; Similarity and time;
Equilibrium in software models; Equilibrium in biology; How may systems come out of equilibrium; The question of a system's environment; Can a physical theory be based on the existence of advanced human society? What kind of environments are more likely to create the conditions under which emergency may happen in the social world?